RustyStriker
/
shape_maker
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

grid size scale with zoom

This commit is contained in:
RustyStriker 2022-08-24 23:03:11 +03:00
parent f43cf6728b
commit ad05e6d1f2
2 changed files with 55 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
assets/shaders/grid.wgsl
View File

@ -8,6 +8,55 @@ let grid_color: vec4<f32> = vec4<f32>(1.0, 1.0, 1.0, 0.3);
let x_color: vec4<f32> = vec4<f32>(1.0, 0.0, 0.0, 1.0);
let y_color :vec4<f32> = vec4<f32>(0.0, 1.0, 0.0, 1.0);
#import bevy_sprite::mesh2d_view_bindings
#import bevy_sprite::mesh2d_bindings
// NOTE: Bindings must come before functions that use them!
#import bevy_sprite::mesh2d_functions
struct Vertex {
@location(0) position: vec3<f32>,
@location(1) normal: vec3<f32>,
@location(2) uv: vec2<f32>,
#ifdef VERTEX_TANGENTS
@location(3) tangent: vec4<f32>,
#endif
#ifdef VERTEX_COLORS
@location(4) color: vec4<f32>,
#endif
@builtin(vertex_index) index: u32,
};
struct VertexOutput {
@builtin(position) clip_position: vec4<f32>,
#import bevy_sprite::mesh2d_vertex_output
}
@vertex
fn vertex(vertex: Vertex) -> VertexOutput {
var out: VertexOutput;
out.uv = vertex.uv;
out.world_position = mesh2d_position_local_to_world(mesh.model, vec4<f32>(vertex.position, 1.0));
out.clip_position = mesh2d_position_world_to_clip(out.world_position);
var grid_plane = array<vec3<f32>, 4>(
vec3<f32>(-1., -1., 1.),
vec3<f32>(-1., 1., 1.),
vec3<f32>(1., -1., 1.),
vec3<f32>(1., 1., 1.)
);
out.clip_position = vec4<f32>(grid_plane[vertex.index].xyz, 1.0);
out.world_normal = mesh2d_normal_local_to_world(vertex.normal);
#ifdef VERTEX_TANGENTS
out.world_tangent = mesh2d_tangent_local_to_world(vertex.tangent);
#endif
#ifdef VERTEX_COLORS
out.color = vertex.color;
#endif
return out;
}
@fragment
fn fragment(
@builtin(position) position: vec4<f32>,

8
src/infinite_grid.rs
View File

@ -29,8 +29,8 @@ pub fn spawn_grid(
) {
coms.spawn().insert_bundle(MaterialMesh2dBundle {
mesh: meshes.add(Mesh::from(shape::Cube { size: 1000.0 })).into(),
transform: Transform::from_xyz(0.0, 0.0, 0.0),
mesh: meshes.add(Mesh::from(shape::Plane { size: 1000.0 })).into(),
transform: Transform::from_rotation(Quat::from_rotation_x(std::f32::consts::FRAC_PI_2)),
material: mats.add(GridMaterial { width: 2.0, size: Vec2::splat(15.0), visible: 1 }),
..default()
});
@ -40,11 +40,15 @@ pub fn update_grid_shader(
snap_grid: Res<crate::SnapGrid>,
handles: Query<&Handle<GridMaterial>>,
mut mats: ResMut<Assets<GridMaterial>>,
projection: Query<&OrthographicProjection, With<MainCamera>>,
) {
let zoom = projection.get_single().map(|p| p.scale).unwrap_or(1.0);
for h in handles.iter() {
if let Some(mut m) = mats.get_mut(h) {
m.size = Vec2::new(snap_grid.width, snap_grid.height);
m.visible = snap_grid.visible as u32;
m.width = zoom;
}
}
}